The Australian share market has followed up its worst month ever in March with its best month ever in April – and it finished with a bang. The S&P/ASX200 benchmark index rallied Thursday for its best day in three weeks, closing up 129 points, or 2.39 per cent to close at 5,522.4 points, its best level since March 13. The broader All Ordinaries index gained 133.9 points, or 2.45 per cent, at 5,597.7 points. One Aussie dollar was buying 65.57 US cents, up from 65.36 US cents at Wednesday’s close.